Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
20003excellentexcellent11excellent
19004excellentexcellent11excellent
18006excellentexcellent11excellent
170069moderately pollutedexcellent11excellent
160032goodexcellent11excellent
150071moderately pollutedexcellent11excellent
140047lightly pollutedexcellent11excellent
130013goodexcellent11excellent
120071moderately pollutedexcellent11excellent
110041lightly pollutedexcellent11excellent
100054lightly pollutedexcellent11excellent
090070moderately pollutedexcellent11excellent
08006excellentexcellent11excellent
070017goodexcellent11excellent
06004excellentexcellent11excellent
05005excellentexcellent11excellent
04007excellentexcellent11excellent
03005excellentexcellent11excellent
02005excellentexcellent11excellent
01007excellentexcellent11excellent
00006excellentexcellent11excellent
23005excellentexcellent11excellent
22005excellentexcellent11excellent
21004excellentexcellent11excellent